diff --git a/Gemfile.lock b/Gemfile.lock
index 0c64ed9ea..15bd8b950 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -478,7 +478,7 @@ GEM
       ast (~> 2.4.1)
       racc
     pdf-core (0.9.0)
-    pg (1.5.4)
+    pg (1.5.6)
     phonelib (0.8.7)
     prawn (2.4.0)
       pdf-core (~> 0.9.0)